* {
    margin: 0;
    padding: 0;
    /*font-family: "Microsoft YaHei";*/
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, "Microsoft YaHei", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}
body {
    width: 100%;
    min-width: 820px;
}
a {
    text-decoration:none;
}
a:hover {
    text-decoration:none;
}
a:active {
    text-decoration:none;
}
a:visited {
    text-decoration:none;
}

#main {
    background: #F5F5F5;
    width: 80%;
    float: left;
    margin-top: 1rem;
    margin-left: 10%;
}
#foot {
    float: left;
    width: 100%;
}
#foot .content {
    width: 80%;
    margin: 1rem auto;
    color: #708090;
    font-size: .7rem;
    text-align: center;
}
.btn, .btn-grey {
    /*float: left;*/
    cursor: pointer;
    white-space: nowrap;
    display: inline-block;
    height: 2rem;
    border-radius: 4px;
    padding: 6px 12px;
    text-align: center;
    vertical-align: middle;
    touch-action: manipulation;
    -ms-touch-action: manipulation;
    user-select: none;
    border: 1px solid transparent;
}
.btn {
    background-color: #337ab7;
    border-color: #2e6da4;
    color: #fff;
}
.btn-grey {
    background-color: #BBB;
    border-color: #777;
    color: #333;
}
.message-board {
    float:left;
    border: 1px solid #C0C0C0;
    border-radius: 4px;
}
.message-board-title {
    width:100%;
    float:left;
    user-select: none;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
    border-bottom: 1px solid #C0C0C0;
    text-align: center;
    vertical-align: middle;
}
.message-board-log {
    width:100%;
    float:left;
    user-select: none;
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
    text-align: left;
}
.message-board-log p {
    display: inline-block;
    word-wrap: break-word;
    word-break:break-all;
    text-indent:2em;
    margin: .5rem 3px .5rem 3px;
    color: #555;
}

/* 弹窗 */
#header-cover {
    display: none;
    position: fixed;
    background: rgba(255,255,255,.7);
    width: 100%;
    height: 100%;
    z-index: 9998;
}
.dialog {
    margin: 7rem auto 0 auto;
    width: 200px;  /* 每增加50px一行可以增加一个位置 */
    min-width: 150px;
}
.dialog-head {
    float: left;
    width: 100%;
    height: 2rem;
    background: #708090;
    color: white;
    margin: 0;
}
.dialog-body {
    float: left;
    width: 100%;
    height: 170px;
    margin: 0;
}
.dialog-title {
    font-size: .7rem;
    position: relative;
    left: 10%;
    text-align: center;
    line-height: 2rem;
    margin: 0;
    float: left;
    /*width: 80%;*/
}
.dialog-close {
    cursor: pointer;
    height: 2rem;
    width: 2rem;
    float: right;
    line-height: 2rem;
    text-align: center;
}
#dialog-main {
    float: left;
    width: 100%;
    background: #DDD;
    margin: 0;
    padding: 0;
}
#dialog-foot {
    float: left;
    width: 100%;
    background:#C0C0C0;
    height: .7rem;
    text-align: center;
    font-size: .5rem;
    line-height: .7rem;
    color: white;
}